When did momondo last update prices for flights from Houston to Islip Long Island Airport?

Prices for flights from Houston to Islip Long Island Airport refresh daily.

How many operators does momondo search for flights from Houston to Islip Long Island Airport?

There is 1 operator available for flights from Houston to Islip Long Island Airport as of January 2026.

How old do you have to be to fly from Houston to Islip Long Island Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston to Islip Long Island Airport.

What documentation or ID do you need to fly to Islip Long Island Airport?

The required travel and health documents for your Islip Long Island Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Islip Long Island Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$117 Cheap Flights from Houston to Islip in 2026

1 adult

0 bags

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Houston to New York

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:18 pm - 7:38 am

IAH

ISP

10h 20m

1 stop

8:23 am - 6:28 pm

ISP

IAH

11h 05m

1 stop

$201Frontier

Thu, Feb 26 - Mon, Mar 2

8:18 pm - 8:47 pm

IAH

ISP

23h 29m

1 stop

7:53 pm - 10:13 am

ISP

IAH

15h 20m

1 stop

$236Frontier

Thu, Feb 5 - Sun, Feb 8

9:03 pm - 9:48 am

IAH

ISP

11h 45m

1 stop

10:58 am - 8:08 pm

ISP

IAH

10h 10m

1 stop

$289Frontier

Fri, Mar 20 - Mon, Mar 23

12:38 pm - 7:38 am

IAH

ISP

18h 00m

1 stop

11:50 am - 11:51 am

ISP

IAH

25h 01m

1 stop

$297Multiple Airlines

Sun, Mar 1 - Sat, Mar 14

11:00 am - 6:30 pm

HOU

ISP

6h 30m

1 stop

4:30 pm - 12:05 am

ISP

HOU

8h 35m

1 stop

$304Southwest

Wed, Apr 8 - Mon, Apr 13

11:00 am - 6:30 pm

HOU

ISP

6h 30m

1 stop

4:30 pm - 12:05 am

ISP

HOU

8h 35m

2 stops

$309Southwest

Wed, Apr 8 - Mon, Apr 13

10:25 am - 6:30 pm

HOU

ISP

7h 05m

2 stops

6:00 am - 1:45 pm

ISP

HOU

8h 45m

2 stops

$314Southwest

Wed, Apr 8 - Mon, Apr 13

11:12 am - 7:28 pm

IAH

ISP

7h 16m

1 stop

11:50 am - 11:51 am

ISP

IAH

25h 01m

1 stop

$315Multiple Airlines

Sat, Feb 28 - Sat, Mar 14

12:46 pm - 10:28 pm

IAH

ISP

8h 42m

1 stop

7:34 pm - 8:38 am

ISP

IAH

14h 04m

1 stop

$320Frontier

Wed, Apr 8 - Mon, Apr 13

5:05 am - 12:05 pm

HOU

ISP

6h 00m

1 stop

5:50 pm - 12:45 am

ISP

HOU

7h 55m

2 stops

$357Southwest

Sat, Feb 28 - Sat, Mar 14

Southwest flights from Houston to Islip, New York

Our best Southwest deals on Houston to Islip, New York flight tickets

Southwest

Apr 8

HOU11:00 amHouston Hobby

6h 30m

1 stop

ISP6:30 pmIslip Long Island

Apr 13

ISP4:30 pmIslip Long Island

8h 35m

1 stop

HOU12:05 amHouston Hobby

$304

Southwest

Apr 8

HOU11:00 amHouston Hobby

6h 30m

1 stop

ISP6:30 pmIslip Long Island

Apr 13

ISP4:30 pmIslip Long Island

8h 35m

2 stops

HOU12:05 amHouston Hobby

$309

Southwest

Apr 8

HOU10:25 amHouston Hobby

7h 05m

2 stops

ISP6:30 pmIslip Long Island

Apr 13

ISP6:00 amIslip Long Island

8h 45m

2 stops

HOU1:45 pmHouston Hobby

$314

Frontier flights from Houston to Islip, New York

Our best Frontier deals on Houston to Islip, New York flight tickets

Frontier

Feb 26

IAH8:18 pmHouston George Bush Intcntl

10h 20m

1 stop

ISP7:38 amIslip Long Island

Mar 2

ISP8:23 amIslip Long Island

11h 05m

1 stop

IAH6:28 pmHouston George Bush Intcntl

$201

Frontier

Feb 5

IAH8:18 pmHouston George Bush Intcntl

23h 29m

1 stop

ISP8:47 pmIslip Long Island

Feb 8

ISP7:53 pmIslip Long Island

15h 20m

1 stop

IAH10:13 amHouston George Bush Intcntl

$236

Frontier

Mar 20

IAH9:03 pmHouston George Bush Intcntl

11h 45m

1 stop

ISP9:48 amIslip Long Island

Mar 23

ISP10:58 amIslip Long Island

10h 10m

1 stop

IAH8:08 pmHouston George Bush Intcntl

$289

Fly from

Fly to

Route

Depart

Return

Price

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Thu 2/26

8:18 pm-7:38 am

1 stop10h 20m

Islip Long Island

Mon 3/2

8:23 am-6:28 pm

1 stop11h 05m

$201

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Thu 2/5

8:18 pm-8:47 pm

1 stop23h 29m

Islip Long Island

Sun 2/8

7:53 pm-10:13 am

1 stop15h 20m

$236

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Fri 3/20

9:03 pm-9:48 am

1 stop11h 45m

Islip Long Island

Mon 3/23

10:58 am-8:08 pm

1 stop10h 10m

$289

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Sun 3/1

12:38 pm-7:38 am

1 stop18h 00m

Islip Long Island

Sat 3/14

11:50 am-11:51 am

1 stop25h 01m

$297

HoustonIslip

HOU - ISP

HOUISP

Houston Hobby

Wed 4/8

11:00 am-6:30 pm

1 stop6h 30m

Islip Long Island

Mon 4/13

4:30 pm-12:05 am

1 stop8h 35m

$304

HoustonIslip

HOU - ISP

HOUISP

Houston Hobby

Wed 4/8

11:00 am-6:30 pm

1 stop6h 30m

Islip Long Island

Mon 4/13

4:30 pm-12:05 am

2 stops8h 35m

$309

HoustonIslip

HOU - ISP

HOUISP

Houston Hobby

Wed 4/8

10:25 am-6:30 pm

2 stops7h 05m

Islip Long Island

Mon 4/13

6:00 am-1:45 pm

2 stops8h 45m

$314

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Sat 2/28

11:12 am-7:28 pm

1 stop7h 16m

Islip Long Island

Sat 3/14

11:50 am-11:51 am

1 stop25h 01m

$315

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Wed 4/8

12:46 pm-10:28 pm

1 stop8h 42m

Islip Long Island

Mon 4/13

7:34 pm-8:38 am

1 stop14h 04m

$320

HoustonIslip

HOU - ISP

HOUISP

Houston Hobby

Sat 2/28

5:05 am-12:05 pm

1 stop6h 00m

Islip Long Island

Sat 3/14

5:50 pm-12:45 am

2 stops7h 55m

$357

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first

How to get the cheapest flight ticket from Houston to Islip, New York

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Houston to Islip Long Island?

Frontier is the most popular carrier operating from Houston to Islip Long Island

What airlines fly to Islip, New York?

Spirit Airlines, United Airlines and Delta are the top three most popular airlines that fly to Islip, New York from Houston according to our data. Spirit Airlines is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Islip, New York. Keep in mind that there are 7 different airlines that fly to Islip, New York on a routine basis, so you have a few additional options to choose from.

Cheap Houston to Islip, New York flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston to Islip, New York

Fastest flight time	5h 25m
Direct flights	None

The fastest flight from Houston to Islip, New York takes 5h 25m

There are no direct flights from Houston to Islip, New York. There are no popular flight routes from Houston to Islip, New York.

Search flight deals

How far is Houston to Islip Long Island by plane?
Islip Long Island is 1454.8 mi away from Houston. In terms of flight time, this usually takes a little over 5h 25m.
When did momondo last update prices for flights from Houston to Islip Long Island Airport?
Prices for flights from Houston to Islip Long Island Airport refresh daily.
How many operators does momondo search for flights from Houston to Islip Long Island Airport?
There is 1 operator available for flights from Houston to Islip Long Island Airport as of January 2026.
How old do you have to be to fly from Houston to Islip Long Island Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston to Islip Long Island Airport.
What documentation or ID do you need to fly to Islip Long Island Airport?
The required travel and health documents for your Islip Long Island Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Islip Long Island Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Houston to Islip, New York

Compare and see reviews for airlines that fly from Houston to Islip, New York with momondo

Airline	Rating	Free Cancellation	Price
Southwest	PriceFrom $278	Free Cancellation	Rating 8.0 4,268 reviews		Search Southwest flights

Montauk

Riverhead

Sag Harbor

Southampton

Amagansett

Why use momondo?

Why should I use momondo to find a flight deal from Houston to Islip?

Finding the right flight to Islip from Houston is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Islip quick and easy, saving you time and money.

Can I find flights from Houston to Islip with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Islip from Houston with this policy.

How can momondo help me find flights from Houston to Islip?

momondo helps you find the best flight between Houston and Islip by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Houston to Islip right now. Can momondo alert me if prices change?

Price alerts on flights to Islip from Houston are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.